Placed on the western edge of 11th century village Saint-Émilion, with elevated vineyards facing south on steep terraces in ideal situation, Ausone takes its name from Decimius Magnus Ausonius (310–395 CE), a statesman and poet from Bordeaux who owned about 100 acres (0.40 km2) of vineyard. It is believed by some that Château Ausone is on the foundations of his villa.
For several years Ausone was jointly owned by the Dubois-Challon and Vauthier families. After an unsettling time, feuding in the courts was brought to an end when the Vauthiers bought the Dubois-Challon shares in the mid 1990s. Alain Vauthier became managing director of Ausone, while Heylette Dubois-Challon won the right to live on the chateau until her death in 2003.
The success of the wine produced at Ausone is attributed to a combination of exposure and the soil, a mixture of sand and clay on limestone unique to the district. The vineyard is 7 hectares (17 acres), arranged with the grape varieties of 50% Cabernet Franc and 50% Merlot, planted with a density of 6,500 plants per hectare. Due to the small scale of the vineyards, picking may be done at an optimal moment, usually in two afternoons.
Michel Rolland was appointed consultant oenologist in 1995.
Of both the Grand vin and the second wine Chapelle d'Ausone, the annual production averages little more than 2,000 cases (180 hL).
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With thanks to Jeff Leve from http://www.thewinecellarinsider.com, for the invaluable information